Montana automatic counters
By: prepared by the State of Montana Department of Highways, Planning and Research Bureau
Contributors: Montana. Dept. of Highways. Planning and Research Bureau
Publisher: The Bureau
Place of publication: [Helena, Mont.]
Language: eng
Subjects: Periodicals; Traffic surveys
Other titles: Automatic counters ... Montana; Montana automatic traffic counters
Notes: Description based on: 1972.

Issued by: Montana Dept. of Highways, Planning and Research Bureau,< -1972>-1981; Montana Dept. of Highways, Planning and Statistics Bureau, 1982-